aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-ia64/sn/pcibus_provider_defs.h
diff options
context:
space:
mode:
authorMark Maule <maule@sgi.com>2005-04-25 11:32:16 -0700
committerTony Luck <tony.luck@intel.com>2005-04-25 11:32:16 -0700
commit9b08ebd167a3f3812131a54512f92c3c6738ad03 (patch)
tree759d4a02d44d233eb7de4dba4fe4626d5d6d29ac /include/asm-ia64/sn/pcibus_provider_defs.h
parent[IA64-SGI] sn2-pci-dma-abstraction.patch (diff)
downloadlinux-dev-9b08ebd167a3f3812131a54512f92c3c6738ad03.tar.xz
linux-dev-9b08ebd167a3f3812131a54512f92c3c6738ad03.zip
[IA64-SGI] sn2-move-pci-headers.patch
Move a couple of headers out of arch/ia64/sn/include/pci and into include/asm-ia64/sn. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/sn/pcibus_provider_defs.h')
-rw-r--r--include/asm-ia64/sn/pcibus_provider_defs.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/pcibus_provider_defs.h b/include/asm-ia64/sn/pcibus_provider_defs.h
new file mode 100644
index 000000000000..f546b4ece33c
--- /dev/null
+++ b/include/asm-ia64/sn/pcibus_provider_defs.h
@@ -0,0 +1,51 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
+#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
+
+/*
+ * SN pci asic types. Do not ever renumber these or reuse values. The
+ * values must agree with what prom thinks they are.
+ */
+
+#define PCIIO_ASIC_TYPE_UNKNOWN 0
+#define PCIIO_ASIC_TYPE_PPB 1
+#define PCIIO_ASIC_TYPE_PIC 2
+#define PCIIO_ASIC_TYPE_TIOCP 3
+
+#define PCIIO_ASIC_MAX_TYPES 4
+
+/*
+ * Common pciio bus provider data. There should be one of these as the
+ * first field in any pciio based provider soft structure (e.g. pcibr_soft
+ * tioca_soft, etc).
+ */
+
+struct pcibus_bussoft {
+ uint32_t bs_asic_type; /* chipset type */
+ uint32_t bs_xid; /* xwidget id */
+ uint64_t bs_persist_busnum; /* Persistent Bus Number */
+ uint64_t bs_legacy_io; /* legacy io pio addr */
+ uint64_t bs_legacy_mem; /* legacy mem pio addr */
+ uint64_t bs_base; /* widget base */
+ struct xwidget_info *bs_xwidget_info;
+};
+
+/*
+ * SN pci bus indirection
+ */
+
+struct sn_pcibus_provider {
+ dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t);
+ dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t);
+ void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
+ void * (*bus_fixup)(struct pcibus_bussoft *);
+};
+
+extern struct sn_pcibus_provider *sn_pci_provider[];
+#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */